# include<stdio.h>
# include<string.h>
int main()
{
 char arr1[]="abc";
 char arr2[] = { 'a','b','c' };
 char arr3[] = { 'a','b','c','\0' };
 printf("%s\n", arr1);
 printf("%s\n", arr2);
 printf("%s\n", arr3);
	printf("%d\n", strlen(arr1));
	printf("%d\n", strlen(arr2));
	printf("%d\n", strlen(arr3));
	return 0;
}